Cushioned roller bearing



Dec. Z0, 1938. EG. BODEN oUsHIoNED ROLLER BEARING Filed Dec. 22, 1937 Patented Dec. 20.193,8 l y ZJAL UNITED .sTATEs PATENT OFFICE CUSHTONED ROLLER BEARING vErnest G. Boden, Canton, Ohio, assignor to The Timken Roller Bearing Company, Canton, Ohio, a corporation of Ohio Application-December 22,1937, Serial No. 181,058 7 Claims. (Cl. 308-184) My invention relates to roller bearings, paraxial sleeve Il. The radial ange I of each cup ticularly taper roller bearings, and has for its 1 is engaged by one of said retaining rings 9. principal object a means for permanent bearingJ The axial sleeve II or skirt portion of the outer preload and self-alinement. Another object is Y shell 'Ic affords a mounting for a closure member reduction of noise transmission and vibration. which may be pressed into said sleeve. The par- The invention consists principally in providticular closure member indicated comprises an ing the cup or outer bearing member with a core angular ring I3 having an axially extending of rubber or other suitable resilient m-aterial. The ange I4 mounted in said sleeve II and a radial invention further consists in the cushioned roller flange I5 at the outermost end of said axial flange.

bearing and in the parts and combinations and A ring or washer IB is mounted in the innermost arrangements of parts hereinafter described and end of said axial ange I4 `and iixed thereto, a claimed. suitable packing I'I being disposed between the In the accompanying drawing, f radial ring I6 and the radial flange I5 of the Fig. 1 is a partial cross-sectional view on the angular ring I3. i

line I-I in Fig. 2 of a cushioned roller bearing In the modication shown in Fig. 4, the sleeve 15..

embodying my invention; portion I Ib of the outer shell has a conical flange Fig. 2 is a longitudinal sectional view on an 20 at its outermost end that is dished inwardly enlarged scale on the line 2-2 in Fig. 1; towlardsa the bearing. A cooperating conical Fig. 3 is a detail view of the split retaining rin washer 2| is dished in the opposite direction and for the outer bearing member; has a peripheral flange 22 welded to said sleeve 20 Fig. 4 is a partial longitudinal sectional view portion IIb. In the V-shaped space between similar to Fig. 2 showing a modification; and said flange 20 and s-aid washer 2l is disposed a Fig. 5 is a partial longitudinal sectional view of suitable packing I'Ib.

another modication. In the modiiication shown in Fig. 5, the axial g5 Fig. 1 illustrates a pillow block construction in- Sleeve portion of the ange I0 of the metal shell 25 cluding a, housing I 0r pedestal through which 1C is omitted.v With this bearing, the C10Su1e is extends a shaft, not shown in the drawing, a. inserted in the housing I. At`0ne end 0f Fig. 5J roller bearing 2 being interposed between the the Closure iS ShOWIl aS a Single ring 30. At the housing I and the shaft. The present invention other end, the closure comprises an angular ring v is concerned with a cushioned roller bearing 3| in the housing, a ring 32 in the peripheral 39 adapted for use in such pillow block constructions flange 0f Said angular ring' and a Washer 33 on as well as for general use, the inner bearing member disposed between said In Fig. 2 is illustrated a double cone or inner rings. bearing member 3 having conical raceways 4 The Cup T maybe S0 DTOPOIIiOned that Considerthat taper outwardly, an annular series of coniable endwise pressure 0n the rubber Ib is recal rollers 5 on each raceway, cages 6 for said quired t0 SOPOSOII the cup that the end ange rollers and a cushioned cup or1 outer bearing of the outer shell is held within the retaining member -1 for each seriesof rollers mounted in ring, thus preloadlng the bearing. The rubber the housing I. The housing is provided with under compression automatically takes up wear '40 internal peripheral grooves 8 in each of which in the bearing, compensates for misalinement of is mounted a split retaining ring 9 for engaging the cup seats, makes the bearing entirely selfthe end of a bearing cup 1 to hold it in position. .K alining, both radially and axially and increases Each bearing cup comprises a conical raceway the fatigue life of the bearing by reason-of the portion 'la of hardened steel or other suitable rubber taking up shock and the self-alinement 4 5 metal, a core 1b of rubber or other resilient mateof the bearing reducing roller end loading or rial having a conical interior tov t the outer localized stress. The hardness of the rubber or surface of said raceway portion 'Ia and a cylinresilient material can be varied as required. The drlcal outer periphery that is mounted in a cybearing is easily assembled, various adjusting and lindrical outer metal shell 1c. Said outer metal positioning devices ofordinary bearing mountings Iengaging the end face of the rubber core 'Ib ed for many otherl uses than the pillow block T and stopping short of the raceway shell "lato mounting illustrated. allow for bulging of the rubber. From the inner VObviously .numerous changes may be made periphery of said radial ange Il) extends an without departing from the invention and I do shell 1c has an intumed radially disposed flange being dispensed with. The bearing is well adaptnot wish to be limited to the precise construction shown.

What I claim is:

1. A double row roller bearing construction comprising a double inner bearing cone with outwardly tapering raceways, tapered bearing rollers on the respective raceways, a bearing cup for each series of rollers, each cup comprising a metal raceway portion, a metal outer shell and an inter;`

mediate resilient core, said outer shell having an inwardly extending radial flange at its outermost end overlapping the end face of said resilient core, a housing in which said bearing cups are vmounted, said housing having annular grooves around its inner periphery near each end and retaining rings in said grooves for holding said cups in said housing in a preloaded condition.

2. A roller bearing mounting comprising an inner bearing cone, taper rollers thereon, an outer bearing cup comprising a conical metal raceway portion, an outer cylindrical metal shell portion and an intermediate resilient core portion, a housing in which said cup is mounted, said outer shell having an inwardly disposed radial ange at its outermost end engaging the end of said core and an axially disposed annular sleeve projecting from the inner periphery of said radial flange and a bearing sealing member secured to said sleeve portion `of said shell.

3. A roller bearing mounting comprising an inner bearing cone, taper rollers thereon, an outer bearing cup comprising a conical metal raceway portion, an outer cylindrical metal shell portion and an intermediate resilient core portion, a housing in which said cup is mounted, a retaining ring holding said'cup in said housing, said outer shell having an inwardlydisposed radial flange at its outermost end engaging the end of said core and an axially disposed annular sleeve projecting from the inner periphery vof said radial flange and a bearing sealing member secured to said sleeve portion of saidsheII.

4. A roller bearing mounting comprising an inner bearing cone, taper rollers thereon, an outer bearing cup comprising a conical metal raceway portion, an outer cylindrical metal shell portion and an intermediate resilient `core portion, a housing in which said cup is mounted, said outer shell having an inwardly disposed radial ahge at its outermost end engaging the end of said core and an axially disposed annular sleeve projecting from the inner periphery of said radial flange and a bearing sealing member mounted in said sleeve portion of said shell.

5. A roller bearing Vmounting comprising an inner bearing cone, taper rollers thereon, an outer bearing cup comprising a conical metal raceway portion, an outer cylindrical metal shell portion and an intermediate resilient core portion, a housing in which said cup is mounted, said outer shell having an inwardly disposed radial flange at its outermost end engaging the end of said core and an axially disposed annular sleeve projecting from the inner periphery of said radial flange, an angular ring having an axial ange mounted in said sleeve and an inwardly extending radial ilange at the outermost end of said sleeve, a. washer securedin the innermost end of said axial flange and a packing in the space between said axial iiange, said radial flange and said washer.

6. A roller bearing mounting comprising an inner bearing cone, taper rollers thereon, an outer bearing cup comprising a conical metal raceway portion, an outer cylindrical metal shell portion and an intermediate resilient core portion, a housing in which said cup is mounted, said outer shell having an inwardly disposed radial flange at its outermost end engaging the end of said core, an axially disposed annular sleeve projecting from the inner periphery of said radial ange, and an inwardly extending conical flange at the end of said sleeve portion and a conical flange cooperating with said previously mentioned conical flange and having a peripheral ange secured to said sleeveportion of said shell.

'7. A roller bearing mounting comprising an inner bearing cone, taper rollers thereon, an outer bearing cup comprising a conical metal raceway portion, an outer cylindrical metal shell portion and an intermediate resilient core portion, a housing in which said cup is mounted, a retaining ringy holding said cup in said housing, said outer shell having an inwardly disposed radial flange at its outermost end engaging the' end of said core,

' an axially disposed annular sleeve projecting from 

